11131535241 has 12 divisors (see below), whose sum is σ = 16674398832. Its totient is φ = 7421023332.

The previous prime is 11131535231. The next prime is 11131535249. The reversal of 11131535241 is 14253513111.

11131535241 is a `hidden beast` number, since 1 + 1 + 131 + 5 + 3 + 524 + 1 = 666.

It is not a de Polignac number, because 11131535241 - 2⁵ = 11131535209 is a prime.

It is a super-2 number, since 2×11131535241² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11131535249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22904151 + ... + 22904636.

It is an arithmetic number, because the mean of its divisors is an integer number (1389533236).

Almost surely, 2^11131535241 is an apocalyptic number.

It is an amenable number.

11131535241 is a deficient number, since it is larger than the sum of its proper divisors (5542863591).

11131535241 is an frugal number, since it uses more digits than its factorization.

11131535241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45808802 (or 45808790 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The spelling of 11131535241 in words is "eleven billion, one hundred thirty-one million, five hundred thirty-five thousand, two hundred forty-one".